import Vue from 'vue'
import VueRouter from 'vue-router'
// import Login from './components/Login.vue'

const Login = () => import(/* webpackChunkName:"login_home_welcome" */ './components/Login.vue')
const Home = () => import(/* webpackChunkName:"login_home_welcome" */ './components/Home.vue')
const Welcome = () => import(/* webpackChunkName:"login_home_welcome" */ './components/Welcome.vue')
const Users = () => import(/* webpackChunkName:"users_rights_roles" */ './components/user/Users.vue')
const Rights = () => import(/* webpackChunkName:"users_rights_roles" */ './components/power/Rights.vue')
const Roles = () => import(/* webpackChunkName:"users_rights_roles" */ './components/power/Roles.vue')
const Cate = () => import(/* webpackChunkName:"cate_params" */ './components/goods/Cate.vue')
const Params = () => import(/* webpackChunkName:"cate_params" */ './components/goods/Params.vue')
const GoodsList = () => import(/* webpackChunkName:"goodsList_add" */ './components/goods/List.vue')
const Add = () => import(/* webpackChunkName:"goodsList_add" */ './components/goods/Add.vue')
const Order = () => import(/* webpackChunkName:"order_report" */ './components/order/Order.vue')
const Report = () => import(/* webpackChunkName:"order_report" */ './components/report/Report.vue')
// import Home from './components/Home.vue'
// import Welcome from './components/Welcome.vue'
// import Users from './components/user/Users.vue'
// import Rights from './components/power/Rights.vue'
// import Roles from './components/power/Roles.vue'

// import Cate from './components/goods/Cate.vue'
// import Params from './components/goods/Params.vue'

// import GoodsList from './components/goods/List.vue'
// import Add from './components/goods/Add.vue'

// import Order from './components/order/Order.vue'
// import Report from './components/report/Report.vue'
Vue.use(VueRouter)

const router = new VueRouter({
  mode: 'history',
  routes: [{
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [{
      path: '/welcome',
      component: Welcome
    },
    {
      path: '/users',
      component: Users
    },
    {
      path: '/rights',
      component: Rights
    },
    {
      path: '/roles',
      component: Roles
    },
    {
      path: '/categories',
      component: Cate
    },
    {
      path: '/params',
      component: Params
    },
    {
      path: '/goods',
      component: GoodsList
    },
    {
      path: '/goods/add',
      component: Add
    },
    {
      path: '/orders',
      component: Order
    },

    {
      path: '/reports',
      component: Report
    }
    ]
  }
  ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数，标识放行
  // next()放行  next('/login') 强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
